[telemetry] Move telemetry/core/chrome/ to telemetry/core/backends/chrome/

tools/telemetry/telemetry/core/backends/chrome/tracing_backend.py

Index: tools/telemetry/telemetry/core/backends/chrome/tracing_backend.py
diff --git a/tools/telemetry/telemetry/core/chrome/tracing_backend.py b/tools/telemetry/telemetry/core/backends/chrome/tracing_backend.py
similarity index 92%
rename from tools/telemetry/telemetry/core/chrome/tracing_backend.py
rename to tools/telemetry/telemetry/core/backends/chrome/tracing_backend.py
index 0c02d2ed5ca590a6fbedd6e71017dccd7a876181..4d0c68a8a3edb617314407f60d0a8624407e4a14 100644
--- a/tools/telemetry/telemetry/core/chrome/tracing_backend.py
+++ b/tools/telemetry/telemetry/core/backends/chrome/tracing_backend.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -9,9 +9,9 @@ import socket
 import threading
 
 
-from telemetry.core.chrome import trace_result
-from telemetry.core.chrome import websocket
-from telemetry.core.chrome import websocket_browser_connection as browser_conn
+from telemetry.core.backends.chrome import trace_result
+from telemetry.core.backends.chrome import websocket
+from telemetry.core.backends.chrome import websocket_browser_connection
 from telemetry.core.timeline import model
 
 
@@ -67,7 +67,8 @@ class RawTraceResultImpl(object):
 
 class TracingBackend(object):
   def __init__(self, devtools_port):
-    self._conn = browser_conn.WebSocketBrowserConnection(devtools_port)
+    self._conn = websocket_browser_connection.WebSocketBrowserConnection(
+        devtools_port)
     self._thread = None
     self._tracing_data = []